llsdmessagereader.cpp
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- /**
- * @file llsdmessagereader.cpp
- * @brief LLSDMessageReader class implementation.
- *
- * $LicenseInfo:firstyear=2007&license=viewergpl$
- *
- * Copyright (c) 2007-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "linden_common.h"
- #include "llsdmessagereader.h"
- #include "llmessagebuilder.h"
- #include "llsdmessagebuilder.h"
- #include "llsdutil.h"
- #include "llsdutil_math.h"
- #include "v3math.h"
- #include "v4math.h"
- #include "v3dmath.h"
- #include "v2math.h"
- #include "llquaternion.h"
- #include "v4color.h"
- LLSDMessageReader::LLSDMessageReader() :
- mMessageName(NULL)
- {
- }
- //virtual
- LLSDMessageReader::~LLSDMessageReader()
- {
- }
- LLSD getLLSD(const LLSD& input, const char* block, const char* var, S32 blocknum)
- {
- // babbage: log error to llerrs if variable not found to mimic
- // LLTemplateMessageReader::getData behaviour
- if(NULL == block)
- {
- llerrs << "NULL block name" << llendl;
- return LLSD();
- }
- if(NULL == var)
- {
- llerrs << "NULL var name" << llendl;
- return LLSD();
- }
- if(! input[block].isArray())
- {
- // NOTE: babbage: need to return default for missing blocks to allow
- // backwards/forwards compatibility - handlers must cope with default
- // values.
- llwarns << "block " << block << " not found" << llendl;
- return LLSD();
- }
- LLSD result = input[block][blocknum][var];
- if(result.isUndefined())
- {
- // NOTE: babbage: need to return default for missing vars to allow
- // backwards/forwards compatibility - handlers must cope with default
- // values.
- llwarns << "var " << var << " not found" << llendl;
- }
- return result;
- }
- //virtual
- void LLSDMessageReader::getBinaryData(const char *block, const char *var,
- void *datap, S32 size, S32 blocknum,
- S32 max_size)
- {
- std::vector<U8> data = getLLSD(mMessage, block, var, blocknum);
- S32 data_size = (S32)data.size();
- if (size && data_size != size)
- {
- return;
- }
-
- if (max_size < data_size)
- {
- data_size = max_size;
- }
-
- // Calls to memcpy will fail if data_size is not positive.
- // Phoenix 2009-02-27
- if(data_size <= 0)
- {
- return;
- }
- memcpy(datap, &(data[0]), data_size);
- }
- //virtual
- void LLSDMessageReader::getBOOL(const char *block, const char *var,
- BOOL &data,
- S32 blocknum)
- {
- data = getLLSD(mMessage, block, var, blocknum);
- }
- //virtual
- void LLSDMessageReader::getS8(const char *block, const char *var, S8 &data,
- S32 blocknum)
- {
- data = getLLSD(mMessage, block, var, blocknum).asInteger();
- }
- //virtual
- void LLSDMessageReader::getU8(const char *block, const char *var, U8 &data,
- S32 blocknum)
- {
- data = getLLSD(mMessage, block, var, blocknum).asInteger();
- }
- //virtual
- void LLSDMessageReader::getS16(const char *block, const char *var, S16 &data,
- S32 blocknum)
- {
- data = getLLSD(mMessage, block, var, blocknum).asInteger();
- }
- //virtual
- void LLSDMessageReader::getU16(const char *block, const char *var, U16 &data,
- S32 blocknum)
- {
- data = getLLSD(mMessage, block, var, blocknum).asInteger();
- }
- //virtual
- void LLSDMessageReader::getS32(const char *block, const char *var, S32 &data,
- S32 blocknum)
- {
- data = getLLSD(mMessage, block, var, blocknum);
- }
- //virtual
- void LLSDMessageReader::getF32(const char *block, const char *var, F32 &data,
- S32 blocknum)
- {
- data = (F32)getLLSD(mMessage, block, var, blocknum).asReal();
- }
- //virtual
- void LLSDMessageReader::getU32(const char *block, const char *var, U32 &data,
- S32 blocknum)
- {
- data = ll_U32_from_sd(getLLSD(mMessage, block, var, blocknum));
- }
- //virtual
- void LLSDMessageReader::getU64(const char *block, const char *var,
- U64 &data, S32 blocknum)
- {
- data = ll_U64_from_sd(getLLSD(mMessage, block, var, blocknum));
- }
- //virtual
- void LLSDMessageReader::getF64(const char *block, const char *var,
- F64 &data, S32 blocknum)
- {
- data = getLLSD(mMessage, block, var, blocknum);
- }
- //virtual
- void LLSDMessageReader::getVector3(const char *block, const char *var,
- LLVector3 &vec, S32 blocknum)
- {
- vec = ll_vector3_from_sd(getLLSD(mMessage, block, var, blocknum));
- }
- //virtual
- void LLSDMessageReader::getVector4(const char *block, const char *var,
- LLVector4 &vec, S32 blocknum)
- {
- vec = ll_vector4_from_sd(getLLSD(mMessage, block, var, blocknum));
- }
- //virtual
- void LLSDMessageReader::getVector3d(const char *block, const char *var,
- LLVector3d &vec, S32 blocknum)
- {
- vec = ll_vector3d_from_sd(getLLSD(mMessage, block, var, blocknum));
- }
- //virtual
- void LLSDMessageReader::getQuat(const char *block, const char *var,
- LLQuaternion &q, S32 blocknum)
- {
- q = ll_quaternion_from_sd(getLLSD(mMessage, block, var, blocknum));
- }
- //virtual
- void LLSDMessageReader::getUUID(const char *block, const char *var,
- LLUUID &uuid, S32 blocknum)
- {
- uuid = getLLSD(mMessage, block, var, blocknum);
- }
- //virtual
- void LLSDMessageReader::getIPAddr(const char *block, const char *var,
- U32 &ip, S32 blocknum)
- {
- ip = ll_ipaddr_from_sd(getLLSD(mMessage, block, var, blocknum));
- }
- //virtual
- void LLSDMessageReader::getIPPort(const char *block, const char *var,
- U16 &port, S32 blocknum)
- {
- port = getLLSD(mMessage, block, var, blocknum).asInteger();
- }
- //virtual
- void LLSDMessageReader::getString(const char *block, const char *var,
- S32 buffer_size, char *buffer, S32 blocknum)
- {
- if(buffer_size <= 0)
- {
- llwarns << "buffer_size <= 0" << llendl;
- return;
- }
- std::string data = getLLSD(mMessage, block, var, blocknum);
- S32 data_size = data.size();
- if (data_size >= buffer_size)
- {
- data_size = buffer_size - 1;
- }
- memcpy(buffer, data.data(), data_size);
- buffer[data_size] = ' ';
- }
- //virtual
- void LLSDMessageReader::getString(const char *block, const char *var,
- std::string& outstr, S32 blocknum)
- {
- outstr = getLLSD(mMessage, block, var, blocknum).asString();
- }
- //virtual
- S32 LLSDMessageReader::getNumberOfBlocks(const char *blockname)
- {
- return mMessage[blockname].size();
- }
- S32 getElementSize(const LLSD& llsd)
- {
- LLSD::Type type = llsd.type();
- switch(type)
- {
- case LLSD::TypeBoolean:
- return sizeof(bool);
- case LLSD::TypeInteger:
- return sizeof(S32);
- case LLSD::TypeReal:
- return sizeof(F64);
- case LLSD::TypeString:
- return llsd.asString().size();
- case LLSD::TypeUUID:
- return sizeof(LLUUID);
- case LLSD::TypeDate:
- return sizeof(LLDate);
- case LLSD::TypeURI:
- return sizeof(LLURI);
- case LLSD::TypeBinary:
- {
- std::vector<U8> data = llsd;
- return data.size() * sizeof(U8);
- }
- case LLSD::TypeMap:
- case LLSD::TypeArray:
- case LLSD::TypeUndefined:
- return 0;
- }
- return 0;
- }
- //virtual
- //Mainly used to find size of binary block of data
- S32 LLSDMessageReader::getSize(const char *blockname, const char *varname)
- {
- return getElementSize(mMessage[blockname][0][varname]);
- }
- //virtual
- S32 LLSDMessageReader::getSize(const char *blockname, S32 blocknum,
- const char *varname)
- {
- return getElementSize(mMessage[blockname][blocknum][varname]);
- }
- //virtual
- void LLSDMessageReader::clearMessage()
- {
- mMessage = LLSD();
- }
- //virtual
- const char* LLSDMessageReader::getMessageName() const
- {
- return mMessageName;
- }
- // virtual
- S32 LLSDMessageReader::getMessageSize() const
- {
- return 0;
- }
- //virtual
- void LLSDMessageReader::copyToBuilder(LLMessageBuilder& builder) const
- {
- builder.copyFromLLSD(mMessage);
- }
- void LLSDMessageReader::setMessage(const char* name, const LLSD& message)
- {
- mMessageName = name;
- // TODO: Validate
- mMessage = message;
- }